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<h1 class="topictitle1">Restoring Cloud Servers</h1>
<div><p>This section describes how to restore a cloud server resource to the original or a new location after the cloud server has been backed up, when the cloud server is damaged.</p>
<div class="section"><h4 class="sectiontitle">Context</h4><p>The <span>OceanProtect</span> allows you to restore cloud disks to the original or a new location using backup copies, reverse replication copies, archive copies (data cannot be restored to the original location using archive copies of replication copies), or replication copies (data cannot be restored to the original cloud server using replication copies). Cascaded replication copies and their archive copies cannot be used for restoration to the original cloud server.</p>
<ul><li>Restoration to the original location<p>Restore data to the cloud server in the current project.</p>
</li><li>Restoration to a new location<p>Restore data to another cloud server or a new cloud server on another platform or in another project.</p>
</li></ul>
</div>
<div class="section"><h4 class="sectiontitle">Precautions</h4><p>A maximum of 24 disks can be mounted to an agent host. Therefore, if 24 disks have been mounted to an agent host during backup and restoration, the system performs the restoration job when there are idle slots.</p>
</div>
<div class="section"><h4 class="sectiontitle">Procedure</h4><ol><li><span>Choose <span class="uicontrol" id="openstack_00053__openstack_00049_en-us_topic_0000001839142377_uicontrol1717665184916"><b><span id="openstack_00053__openstack_00049_en-us_topic_0000001839142377_text61762584912"><strong>Explore</strong></span> &gt; <span id="openstack_00053__openstack_00049_en-us_topic_0000001839142377_text101769504917"><strong>Copy Data</strong></span> &gt; <span id="openstack_00053__openstack_00049_en-us_topic_0000001839142377_text368193113219"><strong>Cloud Platforms</strong></span> &gt; OpenStack</b></span>.</span></li><li><span>Search for copies by resource or copy. This section describes how to search for copies by resource.</span><p><p>On the <strong>Resources</strong> tab page, locate the cloud server to be restored by cloud server name and click the name.</p>
</p></li><li><span>On the <span class="uicontrol"><b><span><strong>Copy Data</strong></span></b></span> page, select the year, month, and day in sequence to locate the copy.</span><p><p>If <span><img src="en-us_image_0000001839143153.png"></span> is displayed below a month or day, a copy is generated in the month or on the day.</p>
</p></li><li><span>Find the copy to be restored and choose <span><strong>More</strong></span> &gt; <span><strong>Restoration</strong></span> on the right.</span></li><li><span>Restore data to the original location or a new location.</span><p><ul><li>Restoration to the original location<p><a href="#openstack_00053__table1081611084918">Table 1</a> describes the related parameters.</p>

<div class="tablenoborder"><a name="openstack_00053__table1081611084918"></a><a name="table1081611084918"></a><table cellpadding="4" cellspacing="0" summary="" id="openstack_00053__table1081611084918" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters for restoring data to the original location</caption><colgroup><col style="width:29.87%"><col style="width:70.13000000000001%"></colgroup><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="29.87%" id="mcps1.3.4.2.5.2.1.1.2.2.3.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="70.13000000000001%" id="mcps1.3.4.2.5.2.1.1.2.2.3.1.2"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><p id="openstack_00053__p1889814412537"><strong id="openstack_00053__b789632051612">AZ</strong></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p id="openstack_00053__p188986420537">Select the availability zone (AZ) of the target location.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><p><strong>Cloud Server Type</strong></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p>Select the type of the cloud server to which the backup copy is restored.</p>
<div class="note"><span class="notetitle"> NOTE: </span><div class="notebody"><p>The OS type of the target cloud server must be the same as that of the original cloud server. For example, both of them use the Windows OS or Linux OS.</p>
</div></div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><div class="p" id="openstack_00053__p19362125112712"><span id="openstack_00053__text446319422347"><strong>Original IP</strong></span><div class="note" id="openstack_00053__note74035335417"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="openstack_00053__p140419339417">This parameter is available only in 1.6.0 and later versions.</p>
</div></div>
</div>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p id="openstack_00053__p136210256270">Specify the IP address of the original cloud server.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><p><span><strong>Network</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p>Select one or more cloud server networks to which the data is restored using the backup copy.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><div class="p" id="openstack_00053__p9793165113275"><span id="openstack_00053__text738131319352"><strong>Specifies the IP address of the network</strong></span><div class="note" id="openstack_00053__note19715144416519"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="openstack_00053__p18717114412515">This parameter is available only in 1.6.0 and later versions.</p>
</div></div>
</div>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p id="openstack_00053__p1079313514273">Assign an IP address of a specific network to the cloud server. This parameter is selected by default. If this parameter is not selected, an IP address is randomly assigned. Drag up or down to change the NIC sequence for the VM.</p>
<p id="openstack_00053__p191767304209">If the IP address of the network fails to be specified, the cloud server restoration job fails.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><p><span><strong>Disk Type</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p>Select the disk type of the cloud server to which the backup copy is restored.</p>
<div class="note" id="openstack_00053__note17590616132118"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="openstack_00053__p1486181812212">Disk creation may fail because the selected disk type is different from the original one. Exercise caution when performing this operation.</p>
</div></div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><p><span><strong>New VM Name</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p>Set the name of the cloud server to which the backup copy is restored.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><p><span><strong>Rewrite Original VM</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p>If this function is enabled, the original VM will be deleted after the restoration job is complete.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><p id="openstack_00053__p773985413557"><strong id="openstack_00053__b11282201174">Agent Host</strong></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p>Select an agent host used for copy restoration.</p>
<p>If the agent host is not selected, the system performs restoration by selecting one or multiple agent hosts from the agent hosts configured during resource registration.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><p><span><strong>Copy Verification Before Restoration</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p id="openstack_00053__p178712291218">If this option is enabled, the integrity of a copy is verified before the copy is used for restoration. This operation affects the restoration performance. This option is disabled by default. If no copy verification file is generated, this option cannot be enabled.</p>
</td>
</tr>
</tbody>
</table>
</div>
</li><li>Restoration to a new location<p><a href="#openstack_00053__table5561141145116">Table 2</a> describes the related parameters.</p>

<div class="tablenoborder"><a name="openstack_00053__table5561141145116"></a><a name="table5561141145116"></a><table cellpadding="4" cellspacing="0" summary="" id="openstack_00053__table5561141145116" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Parameters for restoring data to a new location</caption><colgroup><col style="width:29.87%"><col style="width:70.13000000000001%"></colgroup><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="29.87%" id="mcps1.3.4.2.5.2.1.2.2.2.3.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="70.13000000000001%" id="mcps1.3.4.2.5.2.1.2.2.2.3.1.2"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p>Location</p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p>Select the cloud platform to which the backup copy is restored.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p><strong id="openstack_00053__openstack_00053_b789632051612">AZ</strong></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p>Select the availability zone (AZ) of the target location.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p><strong>Cloud Server Type</strong></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p>Select the type of the cloud server to which the backup copy is restored.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><div class="p"><span id="openstack_00053__openstack_00053_text446319422347"><strong>Original IP</strong></span><div class="note" id="openstack_00053__openstack_00053_note74035335417"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="openstack_00053__openstack_00053_p140419339417">This parameter is available only in 1.6.0 and later versions.</p>
</div></div>
</div>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p>Specify the IP address of the original cloud server.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p><span><strong>Network</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p>Select one or more cloud server networks to which the data is restored using the backup copy.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><div class="p"><span id="openstack_00053__openstack_00053_text738131319352"><strong>Specifies the IP address of the network</strong></span><div class="note" id="openstack_00053__openstack_00053_note19715144416519"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="openstack_00053__openstack_00053_p18717114412515">This parameter is available only in 1.6.0 and later versions.</p>
</div></div>
</div>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p>Assign an IP address of a specific network to the cloud server. This parameter is selected by default. If this parameter is not selected, an IP address is randomly assigned. Drag up or down to change the NIC sequence for the VM.</p>
<p>If the IP address of the network fails to be specified, the cloud server restoration job fails.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p><span><strong>Disk Type</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p>Select the disk type of the cloud server to which the backup copy is restored.</p>
<div class="note"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="openstack_00053__openstack_00053_p1486181812212">Disk creation may fail because the selected disk type is different from the original one. Exercise caution when performing this operation.</p>
</div></div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p><span><strong>New VM Name</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p>Set the name of the cloud server to which the backup copy is restored.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p><strong id="openstack_00053__openstack_00053_b11282201174">Agent Host</strong></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p>Select an agent host used for copy restoration.</p>
<p>If the agent host is not selected, the system performs restoration by selecting one or multiple agent hosts from the agent hosts configured during resource registration.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.87%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p><span><strong>Copy Verification Before Restoration</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.13000000000001%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p>If this option is enabled, the integrity of a copy is verified before the copy is used for restoration. This operation affects the restoration performance. This option is disabled by default. If no copy verification file is generated, this option cannot be enabled.</p>
</td>
</tr>
</tbody>
</table>
</div>
</li></ul>
</p></li><li><span>Click <span class="uicontrol"><b>OK</b></span>.</span></li><li><span>Select a target cloud disk for each cloud disk to be restored.</span><p><div class="note"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul><li>Data on data disks cannot be restored to the system disk, but data on the system disk can be restored to data disks.</li><li>The restoration can be successful only when the target cloud disk is in the mounting state and its capacity is greater than or equal to that of the cloud disk to be restored.</li></ul>
</div></div>
</p></li><li><span>Click <span class="uicontrol"><b>OK</b></span>.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="openstack_00050.html">Restoration</a></div>
</div>
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